Chroma Key
クロマキー / 1930s– / Technique / Film Technology
把某一种颜色抠成透明，再将画面叠到另一层之上——从光学蓝幕、BBC的CSO，到今天的绿幕与虚拟演播室，是合成的基础。
单色背景 / 抠像的边缘 / 被分离出的前景 / 为合成而设计的布光
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辞典词条
- 适用场景
- Comparing primary sources and canonical works；Extracting principles that transfer to other media
- 字体
- Observe the letters, signs and scale of reference works
- 版面
- Extract the one structure that governs gaze and information
- 材料
- Verify the materials and behaviors specific to era, region and process
- 注意
- Don't reduce it to surface signs. Verify the context of era, region, technology and makers.
- 延伸阅读
- Larry Butler's optical blue screen / BBC CSO dramas / the replacement by LED volumes